Interstate Crash Analytics
Live active incidents and historical crash patterns on I-270, I-370, I-495, MD 200, and Clara Barton Parkway in Montgomery County, Maryland — sourced from Maryland CHART.
Live highway incidents and historical corridor context
The interstate analytics page covers I-270, I-370, I-495, MD 200, and Clara Barton Parkway in Montgomery County. It separates active Maryland CHART incidents from historical crash information so current lane impacts are not confused with long-term patterns.
Active incident details are operational reports and may change. Historical sections appear only when supported records are available, with the covered source and period identified on the page.
Information available
- Live active incidents on I-270, I-370, I-495, MD 200, and Clara Barton Parkway — sourced from Maryland CHART.
- Severity-ranked incident list: full closures, injury crashes, multi-lane blockages, and property-damage collisions.
- Interactive Leaflet map with incident markers color-coded by severity.
- Filter by route, incident type, direction, and lane-closure status.
- Historical crash pattern section — awaiting MDSP import.
- MDTA archive coverage for MD 200/ICC from Maryland Open Data.
Sources and freshness
- Maryland CHART active traffic incident feed.
- Maryland Transportation Authority crash archive for available MD 200/ICC records.
- Imported Maryland State Police crash records when a covered dataset is available.
This is a build-time overview. Live observations, publication dates, and refresh times appear in the interactive page. Review the complete data source directory.